Project Partners is seeking an experienced Landfill Mechanical Engineer with 10+ years of experience to assist our public client in the Santa Ana area. The position will be on-site and full-time (approximately 40 hours per week).  The Landfill Mechanical Engineer duties and responsibilities will include, but are not limited to: Plan and lead mechanical engineering and design activities for various projects. Analyze, design, and improvement of landfill gas treatment systems. Monitor closed and active solid waste disposal sites while providing quality assurance of work submitted by design consultants, engineering field staff, and contractors. Hydraulics collection system mechanical study, including leachate and condensate col